审查图片文件大小

main/main.c

@@ -131,8 +131,15 @@ void * aedSocketMonitorFunc(void* args){
             imageByte=(uint8_t*)malloc(200);
             FILE * image = fopen("/spiffs/picture.png","w");
             fclose(image);
+
+            image=fopen("/spiffs/picture.png","r");
+            fseek(image,0l,SEEK_END);
+            int purgeSize=ftell(image);
+            printf("清零后大小：%d\n",purgeSize);
+
             int left=size;
-            image = fopen("/spiffs/picture.png","wb+");//
+            image = fopen("/spiffs/picture.png","wb+");
+            FILE* temp;
             while(left>0) 	{
             	printf("剩余%d\n",left);
             	int recvLen=200<left?200:left;
@@ -143,7 +150,15 @@ void * aedSocketMonitorFunc(void* args){
                 }
                 fwrite(imageByte,sizeof(uint8_t),recvLen,image);
                 fflush(image);
+                temp=fopen("/spiffs/picture.png","r");
+                fseek(temp,0l,SEEK_END);
+                int curSize=ftell(temp);
+                printf("当前大小：%d\n",curSize);
             }
+            image=fopen("/spiffs/picture.png","r");
+            fseek(image,0l,SEEK_END);
+            int finalSize=ftell(image);
+            printf("最终大小：%d\n",finalSize);
             send(emergencyReponseSocket, flag, 1, 0);
             recv(emergencyReponseSocket, flag, 1, 0);
             //======================